Finding the Fourth Proportional to 9,755.03, 13,458.56 and 5,505.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755.03 : 13,458.56 = 5,505.57 : x
2. Step 2: Convert to fraction form
   9,755.03/13,458.56 = 5,505.57/x
3. Step 3: Cross multiply
   9,755.03x = 13,458.56 × 5,505.57
4. Step 4: Simplify right side
   9,755.03x = 74,097,016.65
5. Step 5: Solve for x
   x = 74,097,016.65/9,755.03
6. Step 6: Final answer
   x = 7,595.77